Signalling on low-voltage electrical installations in the frequency range 3khz to 148,5 khz : part 1: general requirements, frequency bands and electromagnetic disturbances: EN 50065 -1: 1991 / European Commitee for Electrothecnical Standardization

COMITÉ EUROPÉEN DE NORMALISATION ELECTROTECHNIQUE

Brussels: CENELEC, 1991

20 p. ; 30 cm

Normas

Normas -- CENELEC; Frequências

006

1991

Material Textual Impresso

ENG